126161644204 has 6 divisors (see below), whose sum is σ = 220782877364. Its totient is φ = 63080822100.

The previous prime is 126161644201. The next prime is 126161644211. The reversal of 126161644204 is 402446161621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (126161644201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15770205522 + ... + 15770205529.

Almost surely, 2^126161644204 is an apocalyptic number.

It is an amenable number.

126161644204 is a deficient number, since it is larger than the sum of its proper divisors (94621233160).

126161644204 is a wasteful number, since it uses less digits than its factorization.

126161644204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31540411055 (or 31540411053 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 126161644204 in words is "one hundred twenty-six billion, one hundred sixty-one million, six hundred forty-four thousand, two hundred four".